Tick Count

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Cameron Osborne

• December 08, 2018 17:11

Trading tick charts can be helpful if one knows how many ticks have been traded on the current candle. It would be great to visualize when the candle is "about to end" due to meeting the required tick count.

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• 

  Cameron Osborne

  • December 08, 2018 19:04

  Nevermind, I see that d.ticks() has been added. I quickly created this indicator today and shared it in the community under "ticks.js"

  const predef = require("./tools/predef");
  const meta = require("./tools/meta");
  const p = require("./tools/plotting");
  const EMA = require("./tools/EMA");

  class ticks {
  init() {
  this.ema = EMA(this.props.period);
  }
  
  map(d) {
  let tick = this.ema(d.ticks());
  let p = d.ticks() / tick * 100.00;
  
  return {
  percent: p,
  zero: 0.0,
  middle: 50.0,
  complete: 100.0
  }
  }
  
  filter(_, i) {
  return i >= this.props.period;
  }
  }

  function percentPlotter(canvas, indicatorInstance, history) {
  for(let i=0; i<history.data.length; ++i) {
  const item = history.get(i);
  
  if (item.percent !== undefined) {
  const x = p.x.get(item);
  
  canvas.drawLine(
  p.offset(x, 0),
  p.offset(x, item.percent),
  {
  color: item.percent > 80 ? "#00FF00DD" : item.percent > 60 ? "#00C040DD" : item.percent > 40 ? "#008080DD" : item.percent > 20 ? "#0040C0DD" : "#0000FFDD",
  // color: item.percent < 20 ? "#0000FFDD" : item.percent < 40 ? "#0040C0DD" : item.percent < 60 ? "#008080DD" : item.percent < 80 ? "#00C040DD" : "#00FF00DD",
  relativeWidth: 0.5,
  opacity: 1.0
  });
  }
  }
  }

  module.exports = {
  name: "ticks",
  description: "Ticks",
  calculator: ticks,
  inputType: meta.InputType.BARS,
  areaChoice: meta.AreaChoice.NEW,
  tags: [predef.tags.Volumes],
  params: {
  period: predef.paramSpecs.period(14),
  },
  plots: {
  percent: { title: "Percent" },
  zero: { displayOnly: true },
  middle: { displayOnly: true },
  complete: { displayOnly: true },
  },
  plotter: [
  predef.plotters.custom(percentPlotter),
  predef.plotters.singleline("zero"),
  predef.plotters.singleline("middle"),
  predef.plotters.singleline("complete"),
  ],
  schemeStyles: {
  dark: {
  percent: predef.styles.plot("#ffc270"),
  zero: predef.styles.plot({ color: "00000000", lineStyle: 3 }),
  middle: predef.styles.plot({ color: "#7E838C", lineStyle: 3 }),
  complete: predef.styles.plot({ color: "#5DC74F", lineStyle: 3 }),
  }
  }
  };

   

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